From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E99CD36D4E6; Thu, 26 Feb 2026 00:59:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772067559; cv=none; b=uRdlK8Znqvtc+a1aOpY+LuOGcT7xGpdMQ6c8qhkonMlMxXh1uvNpxKVZNylhLPQIC7rPzq5g23ySyWEJU1vQGHxmz6dBC+nQz2f7WNx0Ll1l+SfOk2pVutaMJshmOs2YVrke4G954g7VpfPx+EdOV0bFGEHg34mQ7VO6WQSrDNk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772067559; c=relaxed/simple; bh=WgtMgVEJKBbw5rku/Ulb3PMFelZylX2qCcQghD/WKGY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=dT0zbQvNYH/0akW9OSNYYuSlKttxcr5kDwvwLbcWGX7373An3pMovghYs5KcBc4S/34HMy2B8Z/I27iz35FDsMA2+XgzVIWrtocJuHSnJ2rWmOXoeQWFW6Tp/fqDrnjBjWEEJby6Xh5dhfns1D46YiMMeL5X6Fh+Z+DI/27G0cc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aMNubDGH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aMNubDGH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A0BBC116D0; Thu, 26 Feb 2026 00:59:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772067558; bh=WgtMgVEJKBbw5rku/Ulb3PMFelZylX2qCcQghD/WKGY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aMNubDGHFO4gX9UZIZ0xL+udtZ8ylyA4aHsLnZPtS0UrNwyrlD1SemckyK6PmBSHi vLI+hW533UdcQOdT2JUqkht2gmkGCP/Kvra+ZCn71s/jjGRKIGIKcfrnq8wnT1dcPf E28L5kPqiXXB7spXLQNP/fQcufvcN8Ha+p33TAwetW+L5OcRjTpOlb2txC58tLrdJU L5EADGe/7D6JStAQWd2u0fvJAgbcNgttvev5/8eKgKG7MoQoRbaY/QwYKZ3grCI3am 1QCpgTzsMRet9RN7sOldX3esvjswLpW+84aVTIDJDwynyJxvFt7U4lOmCwAukvd/I2 43I4Ix7qqd8vQ== From: SeongJae Park To: Ravi Jonnalagadda Cc: SeongJae Park , damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, akpm@linux-foundation.org, corbet@lwn.net, bijan311@gmail.com, ajayjoshi@micron.com, honggyu.kim@sk.com, yunjeong.mun@sk.com Subject: Re: [RFC PATCH v4 4/4] mm/damon: add PA-mode cache for eligible memory detection lag Date: Wed, 25 Feb 2026 16:59:15 -0800 Message-ID: <20260226005916.7950-1-sj@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On Wed, 25 Feb 2026 10:58:15 -0800 Ravi Jonnalagadda wrote: > On Mon, Feb 23, 2026 at 9:54 PM SeongJae Park wrote: > > > > On Mon, 23 Feb 2026 12:32:32 +0000 Ravi Jonnalagadda wrote: [...] > I agree with dropping this patch for now. Let's focus on getting the > core metrics merged first. > The cache mechanism can be revisited later if real-world usage shows > it's needed. Thank you for flexibly accepting my suggestion, Ravi. I hope to continue more discussions on the issue later. Thanks, SJ [...]